|Week|Date|Opponent|Score|Result|Attendance|Record|
|---|---|---|---|---|---|---|
|1|Thursday, Aug 11|vs. Winnipeg Blue Bombers|35–21|Loss|31,837|0–1|
|2|Monday, Aug 15|at Edmonton Eskimos|33–14|Loss|17,500|0–2|
|3|Saturday, Aug 20|vs. Saskatchewan Roughriders|27–12|Win|29,532|1–2|
|4|Monday, Aug 22|at Calgary Stampeders|26–19|Win|n/a|2–2|
|5|Monday, Aug 29|vs. Edmonton Eskimos|26–0|Loss|28,420|2–3|
|6|Thursday, Sept 1|at Winnipeg Blue Bombers|19–14|Loss|18,297|2–4|
|7|Monday, Sept 5|at Saskatchewan Roughriders|31–21|Win|14,105|3–4|
|8|Monday, Sept 12|vs. Calgary Stampeders|21–21|Tie|27,759|3–4–1|
|9|Saturday, Sept 17|vs. Winnipeg Blue Bombers|26–14|Loss|30,292|3–5–1|
|10|Monday, Sept 19|at Edmonton Eskimos|18–10|Loss|n/a|3–6–1|
|11|Saturday, Sept 24|at Calgary Stampeders|28–14|Loss|13,000|3–7–1|
|12|Thursday, Oct 6|vs. Edmonton Eskimos|21–13|Win|21,707|4–7–1|
|13|Thursday, Oct 13|at Winnipeg Blue Bombers|49–21|Loss|16,773|4–8–1|
|14|Saturday, Oct 15|at Saskatchewan Roughriders|14–14|Tie|7,255|4–8–2|
|15|Saturday, Oct 22|vs. Calgary Stampeders|22–10|Loss|29,599|4–9–2|
|16|Saturday, Oct 29|vs. Saskatchewan Roughriders|38–0|Win|21,114|5–9–2|

Question: what is the difference between the number of games won and the number of games lost?
Answer: 4